public class text03 {
    public static void main(String[] args) {
        int oddSum = calculateOddSum();
        System.out.println("1到100之间所有奇数的和是: " + oddSum);
    }

    public static int calculateOddSum() {
        int sum = 0;
        for (int i = 1; i <= 100; i++) {
            // 判断i是否为奇数
            if (i % 2 != 0) {
                sum += i;
            }
        }
        return sum;
    }
}